Service difficulty report · Rib · Boeing 73771B

Difficulty date
December 3, 2023
Submitted
December 29, 2023
Operation
Air carrier
Aircraft
N7845A
Make and model
Boeing 73771B
Aircraft serial
29366
Aircraft time
50,501 hours, 32,811 cycles
Part
Rib
Part number
UNKNOWN
Condition
Cracked
Location
Zn 300 Stabilize
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

CRACK FRONT SPAR INSPAR RIB LOCATED STAB STA 120.30 AND 27 INCHES FROM EDGE FRONT SPAR RT HORIZONTAL STAB 2023-748355<[01] TOOL USED ET EQUIPMENT: P/N: NORTEC 600D; S/N: 210138203; CAL DUE DATE: 09-JUN-24;[02] TOOL USED: EDDY CURRENT FLAW DETECTOR; P/N: NORTEC 600D; S/N: 200048001; DUE DATE: 01-MAY-24;[03] PERFORMED PERMANENT REPAIR ON SPAR INSPAR RIB LOCATED STAB STA 120.30 AND 27 INCHES FROM EDGE FRONT SPAR RT HORIZONTAL STAB IAW B737-700 SRM 5T-10-09-2R-5 REPAIR 5 FUGURE 204 SHEET 1 DETAIL A AND IAW B737-700 SRM 5140-02. SEE INDIVIDUAL SIGN OFFS BELOW.;[04] CORRECTED STEP 3<BR>PERFORMED PERMANENT REPAIR ON SPAR INSPAR RIB LOCATED STAB STA 120.30 AND 27 INCHES FROM EDGE FRONT SPAR RT HORIZONTAL STAB IAW B737-700 SRM 55-10-09-2R-5 REPAIR 5 FIGURE 204 SHEET 1 DETAIL A AND IAW B737-700 SRM 51-40-02. SEE INDIVIDUAL SIGN OFFS BELOW.;[05] PERFORMED PERMANENT REPAIR ON SPAR INSPAR RIB LOCATED STAB STA 120.30 AND 27 INCHES FROM EDGE FRONT SPAR RT HORIZONTAL STAB IAW B737-700 SRM 55-10-09-2R-5 REPAIR 5 FIGURE 204 SHEET 1 DETAIL A AND IAW B737-700 SRM 51-40-02. SEE INDIVIDUAL SIGN OFFS BELOW.<BR>CERTIFIED RII

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